kolibrios-fun/programs/develop/ktcc/trunk/libc.obj/source/string/strcpy.c
turbocat cde4fa851d libc.obj:
- Formatted by clang-format (WebKit-style).
- Removed unnecessary errno linux. 
- Added KOS error codes. 
- String functions have been replaced with more optimal ones for x86. 
- Changed wrappers for 70 sysfunction.

git-svn-id: svn://kolibrios.org@9765 a494cfbc-eb01-0410-851d-a64ba20cac60
2022-04-15 09:00:55 +00:00

17 lines
390 B
C

/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#include <string.h>
char* strcpy(char* to, const char* from)
{
int d0, d1, d2;
__asm__ __volatile__(
"1:\tlodsb\n\t"
"stosb\n\t"
"testb %%al,%%al\n\t"
"jne 1b"
: "=&S"(d0), "=&D"(d1), "=&a"(d2)
: "0"(from), "1"(to)
: "memory");
return to;
}